[INFO] fetching crate multican 0.6.0-beta.0...
[INFO] testing multican-0.6.0-beta.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate multican 0.6.0-beta.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multican 0.6.0-beta.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multican 0.6.0-beta.0
[INFO] finished tweaking crates.io crate multican 0.6.0-beta.0
[INFO] tweaked toml for crates.io crate multican 0.6.0-beta.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate multican 0.6.0-beta.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada08e4cc9654e2cdb6408d3f761152ce9931c525a64e720b1d9422c9c38d7fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ada08e4cc9654e2cdb6408d3f761152ce9931c525a64e720b1d9422c9c38d7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada08e4cc9654e2cdb6408d3f761152ce9931c525a64e720b1d9422c9c38d7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada08e4cc9654e2cdb6408d3f761152ce9931c525a64e720b1d9422c9c38d7fc", kill_on_drop: false }`
[INFO] [stdout] ada08e4cc9654e2cdb6408d3f761152ce9931c525a64e720b1d9422c9c38d7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b117a7532fc112ffa2eeccbda48d03a880dc77c534e64acab56860c9f13233d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b117a7532fc112ffa2eeccbda48d03a880dc77c534e64acab56860c9f13233d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling socketcan v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling multican v0.6.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.50s
[INFO] running `Command { std: "docker" "inspect" "5b117a7532fc112ffa2eeccbda48d03a880dc77c534e64acab56860c9f13233d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b117a7532fc112ffa2eeccbda48d03a880dc77c534e64acab56860c9f13233d", kill_on_drop: false }`
[INFO] [stdout] 5b117a7532fc112ffa2eeccbda48d03a880dc77c534e64acab56860c9f13233d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf35ee9ce065b2f9564e78dba63e11fee4b635c1ab92606dcd46aabe4433d8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcf35ee9ce065b2f9564e78dba63e11fee4b635c1ab92606dcd46aabe4433d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling multican v0.6.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> examples/async_log.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]  --> examples/async_log.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_config_async` in crate `multican`
[INFO] [stdout]   --> examples/async_log.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut network = multican::from_config_async(cfg);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ not found in `multican`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stdout]  --> examples/async_log.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` can only return types that implement `std::process::Termination`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `()`, or a `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/async_log.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multican`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dcf35ee9ce065b2f9564e78dba63e11fee4b635c1ab92606dcd46aabe4433d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf35ee9ce065b2f9564e78dba63e11fee4b635c1ab92606dcd46aabe4433d8f", kill_on_drop: false }`
[INFO] [stdout] dcf35ee9ce065b2f9564e78dba63e11fee4b635c1ab92606dcd46aabe4433d8f